Element of a shoe upper



FIG. 1 is a front elevational view of an element of a shoe upper showing my new design;

FIG. 2 is a front perspective view thereof; and,

FIG. 3 is a rear perspective view thereof.

The broken line showing of a shoe in the figures is environmental only and forms no part of the claimed design. 

The ornamental design for element of a shoe upper, as shown and described. 